Metal buckle quick connector

By combining a multi-layer sealing structure and an elastic snap-fit ​​mechanism, the problems of poor sealing performance and insufficient connection stability of metal quick-connect couplings are solved, achieving stable connection and convenient operation under high pressure and vibration environments.

CN223806736UActive Publication Date: 2026-01-16HUIZHOU HENGXINGLONG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520744667.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-01-16
Estimated Expiration
2035-04-18

AI Technical Summary

Technical Problem

Existing metal quick-connect couplings have poor sealing performance and insufficient connection stability, and are prone to loosening, especially under vibration or impact environments, making them inconvenient to operate.

Method used

It adopts a multi-layer sealing structure design, combined with an elastic snap-fit ​​mechanism and threaded connection. The sealing tube moves in the groove and abuts against the limiting cylinder, and the elastic lock achieves a stable connection, ensuring the reliability and durability of the seal.

Benefits of technology

It improves the sealing reliability and durability of metal quick-connect couplings, ensuring a stable connection under high pressure and vibration environments, and making operation more convenient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a metal buckle quick connector, which relates to the technical field of metal buckles and comprises a first connector body and a second connector body, a first threaded sleeve is arranged on the side face of the first connector body at one end, a connecting cylinder is arranged on the side face of the first connector body at the other end, and a clamping cylinder is arranged on the side face of the connecting cylinder. A mounting groove is formed in the clamping cylinder, a clamping mechanism is arranged in the mounting groove, a through hole matched with the connecting cylinder is formed in the second connector body at one end, a movable hole matched with the clamping cylinder is formed in the second connector body at the other end, a sealing mechanism is arranged in the movable hole, and a limiting cylinder is arranged on the side face of the movable hole; according to the metal buckle quick connector, the connection is more stable and reliable, the sealing performance is more excellent, and the safety and the operation efficiency of industrial equipment can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to metal buckle technical field especially relates to metal buckle quick joint. BACKGROUND

[0002] In industrial production and daily life, quick joint as a kind of convenient connecting device is widely used in fluid transmission, pneumatic power, hydraulic system and many other fields, among them, metal buckle quick joint occupies the important position of market with its high strength, corrosion resistance, long service life and other characteristics, however, with the continuous progress of technology and the increasing diversification of application demand, some deficiencies and drawbacks exposed in the structural design of existing metal buckle quick joint gradually appear, and it is urgent to optimize its performance and improve user experience through technical innovation and improvement;

[0003] The design of sealing structure is directly related to the reliability of joint. In the existing design, the sealing element is susceptible to pressure, temperature and other factors and is aged, leading to sealing failure and leakage problem, secondly, the locking mechanism design of part of joint is complex, inconvenient to operate, and easy to loosen in vibration or impact environment, which affects the stability of connection. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of metal buckle quick joint, solve the problem of existing metal buckle quick joint sealing performance is bad and the insufficient connection stability.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of metal buckle quick joint, including first joint body and second joint body, one end first joint body side is provided with first threaded sleeve, and the other end first joint body side is provided with connecting barrel, connecting barrel side is provided with clamping barrel, and the inside of clamping barrel is provided with installation groove, the inside of installation groove is provided with clamping mechanism, and one end second joint body inside is provided with through hole matched with connecting barrel, the other end second joint body inside is provided with movable hole matched with clamping barrel, and the inside of movable hole is provided with sealing mechanism, movable hole side is provided with limit cylinder, and the side of limit cylinder is provided with second threaded sleeve.

[0007] Preferably, the clamping mechanism includes return spring, pressing plate, slide, hinged seat, pivot, pressure bar, elastic clamping buckle, slot, slot, clamping block, and the inside of installation groove is provided with multiple sets of slide on both sides, the inside of slide is provided with the pressing plate matched and slidably connected, and the bottom of pressing plate is provided with multiple sets of return spring.

[0008] Preferably, both sides of the second joint body outside is provided with a hinge seat, and the hinge seat is internally connected with a pressure rod through a rotating shaft, a slot hole is arranged in the second joint body inside below the pressure rod, and grooves are arranged on both sides of the slot hole inside, and matching clamping blocks are arranged in the grooves inside in a movable connection mode, and elastic clamping buckles are arranged on the side of the hinge seat below the pressure rod.

[0009] Preferably, the sealing mechanism comprises a metal pipe, a sealing pipe, a sliding groove, a groove block, and a blocking pipe, the metal pipe is arranged on the side of the clamping sleeve, the sliding groove is arranged on both sides of the movable hole inside, the sealing pipe is arranged in the movable hole inside, and the groove block matched with the sliding groove is movably connected to the outside of the sealing pipe.

[0010] Preferably, the blocking pipe matched with the sealing pipe is arranged in the limiting cylinder to form a sealing structure.

[0011] Preferably, the outer side of the connecting cylinder is provided with external threads, and the side of the second joint body is provided with a limiting plate, and the limiting plate outside is sleeved with a sealing ring in a movable connection mode.

[0012] Preferably, the sealing ring is internally provided with internal threads matched with the external threads, and the outside of the sealing ring is provided with a plurality of strip rods.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The metal buckle quick connector, a through hole matched with the connecting cylinder is arranged in the second joint body inside, a movable hole matched with the clamping sleeve is arranged in the second joint body inside, and the metal pipe is inserted into the second joint body inside, so that the sealing pipe moves in the sliding groove and is abutted against the blocking pipe in the limiting cylinder, the sealing structure is optimized, a multilayer sealing design is adopted to cooperate with an elastic sealing material, the sealing effect is enhanced, meanwhile, the multilayer sealing structure can adapt to the change of medium pressure and temperature, and the sealing reliability and durability of the metal buckle quick connector are improved.

[0015] 2. The clamping sleeve is internally provided with a mounting groove, the mounting groove is internally provided with a clamping mechanism, the clamping block in the slot hole moves downward by pressing the pressure rod, is clamped in the mounting groove, and the first joint body and the second joint body are clamped and fixed, the elastic lock buckle and the clamping structure are utilized to realize quick and stable connection, the elastic clamping buckles are arranged below the pressure rod to ensure that the pressure rod does not loosen and displace during long-time connection, the stability of the connection is further improved, meanwhile, the clamping connection mode makes the installation and dismounting process more intuitive and convenient, secondly, the internal threads in the sealing ring are threadedly connected with the external threads on the outer side of the connecting cylinder in a double-connection mode, and the reliable connection state can be maintained even in a high-pressure or vibration environment. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic view of the utility model.

[0017] Figure 2 It is the explosion structure schematic view of the utility model.

[0018] Figure 3 It is the reset spring and pressing plate structure schematic view of the utility model.

[0019] Figure 4 It is the sealing pipe and chute structure schematic view of the utility model.

[0020] Figure 5 It is the pressing rod and clamping block structure schematic view of the utility model.

[0021] The mark in the figure: 1, first joint body;2, second joint body;3, first threaded sleeve;4, connecting cylinder;5, clamping cylinder;6, installation groove;7, through hole;8, movable hole;9, limiting cylinder;10, second threaded sleeve;11, reset spring;12, pressing plate;13, slide;14, hinged seat;15, rotating shaft;16, pressing rod;17, elastic clamping buckle;18, slot hole;19, slot;20, clamping block;21, metal pipe;22, sealing pipe;23, chute;24, slot block;25, blocking pipe;26, internal thread;27, external thread;28, strip rod;29, limiting plate;30, sealing ring. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Referring to Figures 1-5 The utility model provides a kind of technical scheme: a kind of metal buckle quick connector, including first joint body 1 and second joint body 2, one end first joint body 1 side is provided with first threaded sleeve 3, and another end first joint body 1 side is provided with connecting cylinder 4, connecting cylinder 4 side is provided with clamping cylinder 5, and clamping cylinder 5 is provided with installation groove 6 inside, installation groove 6 is provided with clamping mechanism inside, and one end second joint body 2 is provided with the through hole 7 matched with connecting cylinder 4 inside, another end second joint body 2 is provided with movable hole 8 matched with clamping cylinder 5 inside, and movable hole 8 is provided with sealing mechanism inside, movable hole 8 side is provided with limiting cylinder 9, and limiting cylinder 9 side is provided with second threaded sleeve 10.

[0024] Referring to Figure 2 , Figure 3 , Figure 4The sealing mechanism comprises the metal pipe 21, the sealing pipe 22, the sliding groove 23, the groove block 24, the blocking pipe 25, the metal pipe 21 is arranged on the side of the clamping sleeve 5, the sliding grooves 23 are arranged on the two sides of the inner part of the movable hole 8, the sealing pipe 22 is arranged in the inner part of the movable hole 8, the groove blocks 24 matched with the sliding grooves 23 are arranged on the two sides of the outer part of the sealing pipe 22 in a movable connection mode, the blocking pipe 25 matched with the sealing pipe 22 is arranged in the inner part of the limiting sleeve 9, and the sealing structure is formed.

[0025] In specific implementation, when the metal buckle quick connector is in sealing connection, the pressure rods 16 on the two sides of the outer part of the second connector body 2 are first manually stretched upwards, so that the pressure rods 16 are taken out of the elastic clamping buckles 17, then the first connector body 1 is placed in the inner part of the second connector body 2, so that the connecting sleeve 4 and the through hole 7 are connected with each other, the clamping sleeve 5 and the movable hole 8 are connected with each other, and the sealing pipe 22 and the groove block 24 are moved forward in the inner part of the sliding groove 23 under the pushing of the metal pipe 21 and are abutted against the blocking pipe 25 in the inner part of the limiting sleeve 9, so that the sealing effect is further enhanced. Through the above operation, the multi-layer sealing design is adopted, and the sealing reliability and durability of the metal buckle quick connector are improved.

[0026] With reference to Figure 3 , Figure 5 The clamping mechanism comprises the reset spring 11, the pressing plate 12, the sliding channel 13, the hinged seat 14, the rotating shaft 15, the pressure rod 16, the elastic clamping buckle 17, the slot hole 18, the slot channel 19, the clamping block 20, a plurality of sliding channels 13 are arranged on the two sides of the mounting slot 6 in a sliding connection mode with the matched pressing plates 12, a plurality of reset springs 11 are arranged on the bottom of the pressing plate 12, the hinged seats 14 are arranged on the two sides of the outer part of the second connector body 2, the pressure rods 16 are connected with the hinged seats 14 through the rotating shafts 15, the slot holes 18 are arranged in the inner part of the second connector body 2 below the pressure rods 16, the slot channels 19 are arranged on the two sides of the inner part of the slot holes 18, the clamping blocks 20 matched with the slot channels 19 are arranged in the inner part of the slot channels 19 in a movable connection mode, and the elastic clamping buckles 17 are arranged on the side of the hinged seat 14 below the pressure rods 16.

[0027] With reference to Figure 1 , Figure 2 The outer thread 27 is arranged on the outer side of the connecting sleeve 4, the limiting plate 29 is arranged on the side of the second connector body 2, the sealing ring 30 is arranged on the outer side of the limiting plate 29 in a movable connection mode, the inner thread 26 matched with the outer thread 27 is arranged in the inner part of the sealing ring 30, and a plurality of strip rods 28 are arranged on the outer side of the sealing ring 30

[0028] In the specific implementation, when the metal buckle quick connector is locked, first, press the pressing rod 16, so that the pressing rod 16 rotates in the hinged seat 14 through the rotating shaft 15 and is pressed in the elastic clamping buckle 17, then under the action of the pressing rod 16, the clamping block 20 moves downward in the slot hole 18 and the channel 19, then the clamping block 20 is clamped in the installation slot 6, so that the first connector body 1 and the second connector body 2 are clamped with each other, then, rotate the sealing ring 30, so that the sealing ring 30 is connected to the outside of the connecting cylinder 4 through the internal thread 26 and the external thread 27, in addition, when disassembling, rotate the sealing ring 30 in the opposite direction, so that the sealing ring 30 is separated from the connecting cylinder 4, then, lift the pressing rod 16 upward, the pressing plate 12 in the installation slot 6 moves upward in the slide way 13 under the elastic action of the reset spring 11, so that the clamping block 20 is reset, which facilitates the disassembly of the first connector body 1 and the second connector body 2, so that the installation and disassembly process is more intuitive and convenient through the above operation, and the metal buckle connector is quickly and stably connected.

[0029] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A metal shackle quick coupling comprising a first coupling body (1) and a second coupling body (2), characterized in that, One end of the first joint body (1) is provided with a first threaded sleeve (3), and the other end of the first joint body (1) is provided with a connecting barrel (4), the side of the connecting barrel (4) is provided with a clamping barrel (5), and the inside of the clamping barrel (5) is provided with a mounting groove (6), the inside of the mounting groove (6) is provided with a clamping mechanism, and one end of the second joint body (2) is provided with a through hole (7) matched with the connecting barrel (4), the other end of the second joint body (2) is provided with a movable hole (8) matched with the clamping barrel (5), and the inside of the movable hole (8) is provided with a sealing mechanism, the side of the movable hole (8) is provided with a limiting barrel (9), and the side of the limiting barrel (9) is provided with a second threaded sleeve (10).

2. The metal carabiner quick coupling according to claim 1, characterized in that, The clamping mechanism comprises a reset spring (11), a pressing plate (12), a slide (13), a hinged seat (14), a pivot (15), a pressure rod (16), an elastic clamping buckle (17), a slot hole (18), a slot (19), a clamping block (20), and a plurality of slides (13) are arranged on both sides of the inside of the mounting groove (6), the inside of the slide (13) is provided with a matched pressing plate (12) in sliding connection, and a plurality of reset springs (11) are arranged on the bottom of the pressing plate (12).

3. The metal carabiner quick coupling according to claim 2, characterized in that, The second joint body (2) is provided with a hinged seat (14) on both sides of the outside, and the hinged seat (14) is connected with a pressure rod (16) through a pivot (15), a slot hole (18) is arranged below the pressure rod (16) in the second joint body (2), slot holes (19) are arranged on both sides of the inside of the slot hole (18), and matched clamping blocks (20) are arranged in the inside of the slot hole (19) in movable connection, and an elastic clamping buckle (17) is arranged below the pressure rod (16) on the side of the hinged seat (14).

4. The metal carabiner quick coupling of claim 1, wherein, The sealing mechanism comprises a metal pipe (21), a sealing pipe (22), a sliding groove (23), a groove block (24), a blocking pipe (25), and the clamping barrel (5) is provided with a metal pipe (21) on the side, the movable hole (8) is provided with a sliding groove (23) on both sides of the inside, and the movable hole (8) is provided with a sealing pipe (22) in the inside, the sealing pipe (22) is provided with a groove block (24) matched with the sliding groove (23) on both sides of the outside in movable connection.

5. The metal carabiner quick coupling of claim 4, wherein, The inside of the limiting barrel (9) is provided with a blocking pipe (25) matched with the sealing pipe (22) to form a sealing structure.

6. The metal carabiner quick coupling of claim 1, wherein, The outside of the connecting barrel (4) is provided with an external thread (27), and the side of the second joint body (2) is provided with a limiting plate (29), and the limiting plate (29) is provided with a sealing ring (30) in movable connection.

7. The metal carabiner quick coupling of claim 6, wherein, The inside of the sealing ring (30) is provided with an internal thread (26) matched with the external thread (27), and the outside of the sealing ring (30) is provided with a plurality of strip rods (28).